LeakProof Vacuum Filler Dough

Waterproof plug holes, often used for air conditioning holes, line holes, and other small holes to block, as well as other small holes, gap blocking; Waterproof and insect-proof, prevent mouse from getting in through air-conditioning holes, etc.; Environmentally friendly fabrics, strong plasticity, automatic hardening after air drying, no deformation or breakage; When hardened, it will automatically expand and block more full.